Hello All, I was doing a project where I would need to control and monitor the following elements. I would need your input to know if this is too much to expect from an arduino / or if it can operate with stability or not. A) Monitor tank levels , temperature and ph for 6 tanks. B) Function as a …

Maximum that arduino can handle.

polyglot April 18, 2014, 1:09pm 4

No problem, even with an old Duemilanove. An Uno is fine. Try googling for "I2C IO expander", there are lots of options if you decide you need more pins.

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Maximum that arduino can handle.

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